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1. 发明专利

JPH06346797A CARBURETOR 失效
公开(公告)号：JPH06346797A
公开(公告)日：1994-12-20
申请号：JP16018393
申请日：1993-06-04
申请人： SHINAGAWA DIECAST KOGYO KK
发明人： ARAKI SATORU
IPC分类号： F02M3/10 , F02M7/10 , F02M19/06
摘要： PURPOSE:To provide a fuel system, which has simple structure and can carry out proper fuel supply both in idling and in high speed operation, in a small carburetor for an industrial engine. CONSTITUTION:In a single fuel passage 20 extending from a constant fuel chamber 13, a high speed port 22, a medium-low speed port 23, and an idle port 24 are provided on a side of a throttle valve 4 in line in the axial direction of an intake passage 2, and manual regulating valves 26, 28, each of which regulates a passage effective area respectively, are arranged in the upstream side of the high speed port 22 in the fuel passage 20 and in the inlet part of the idle port 24.

2. 发明专利

JPH06123254A AIR-FUEL RATIO CORRECTION DEVICE FOR FILM TYPE CARBURETOR 失效
公开(公告)号：JPH06123254A
公开(公告)日：1994-05-06
申请号：JP29375592
申请日：1992-10-07
申请人： SHINAGAWA DIECAST KOGYO KK
发明人： ARAKI SATORU
IPC分类号： F02M17/04 , F02M19/00
摘要： PURPOSE:To provide a film type carburetor having a simply constructed cheap means, which corrects air-fuel ratio into proper value according to a change of air density due to a change of temperature. CONSTITUTION:A thermowax mechanism 16 is installed on the atmosphere side, which is opposite side to a constant fuel chamber 8 by setting a diaphragm 10 between them, and a temperature compensation spring 22, which provides an injection valve opening force for an injection valve opening spring 12 of a fuel valve 7, is inserted between the piston 19 of the thermowax mechanism 16 and the diaphragm 10. The temperature compensation spring 22 reduces a spring load, when temperature increases and air density decreases, so as to suppress opening of the fuel valve 7 to reduce the fuel flow rate, as a result, air-fuel ratio is kept to be a constant value.

3. 发明专利

JPS61185663A DIAPHRAGM TYPE CARBURETOR 失效
公开(公告)号：JPS61185663A
公开(公告)日：1986-08-19
申请号：JP2575185
申请日：1985-02-13
申请人： SHINAGAWA DIECAST KOGYO KK
发明人： ARAKI SATORU
IPC分类号： F02M1/16 , F02M17/04
摘要： PURPOSE:To improve starting performance with simple construction by providing a matter having fine holes and whose ventilation is eliminated when fuel is adsorbed on an excessive fuel discharge passage communicating a fuel chamber of a diaphragm type carburetor and atmosphere. CONSTITUTION:A tickler 20 is provided on the back face of a diaphragm 10 of a diaphragm type carburetor and a porous fuel adsorbing matter 23 is provided on a chamber 22 on the way of a fuel discharge passage 21 communicating a fuel chamber 9 and atmosphere. In starting of an engine, when the tickler 20 is pressed, the diaphragm 10 releases a fuel valve 8 through a lever 13 to make fuel flow from a tank into the fuel chamber 9. Pressing of the tickler 20 is stopped by excessive fuel when it is discharged from the fuel discharge passage 21. During operation of the engine, ventilation ability is eliminated by adsorbed fuel in the porous matter 23 and air is not flowed into the fuel chamber 9. Even if fuel in the porous matter 23 is evaporated, fuel in the fuel chamber 9 enters into the porous matter 23 during working of a working machine, then air is not entered.

4. 发明专利

JPS6045763A MEMBRANE TYPE CARBURETER 失效
公开(公告)号：JPS6045763A
公开(公告)日：1985-03-12
申请号：JP15265583
申请日：1983-08-22
申请人： SHINAGAWA DIECAST KOGYO KK
发明人： ARAKI SATORU
IPC分类号： F02M7/22 , F02M7/18 , F02M17/04
摘要： PURPOSE:To supply an optimum amount of fuel over the entire running range of an engine, by changing the jet opening area of a membrane type carbureter in accordance with the opening degree of the throttle valve. CONSTITUTION:Fuel fed into a chamber 16 from a diaphragm pump 10 through a valve 15, flows from a chamber for a jet needle 37 through a jet 34 around the jet needle 37, and through a passage 27 and an adjusting screw 29, and then is mixed with bleed air 30. Then, the fuel is fed into the engine through nozzle ports 26a, 26b. A plunger 41 against which the lower end of the jet needle 37 abuts, is abutted by means of a spring 39 against the cam surface of a cam section 40 formed in the end part of the shaft 25 of a throttle valve 24. When the opening degree of the throttle valve 24 is small, the plunger 41 is lowered by the cam to decrease the opening area of the jet 34. Meanwhile the opening area of the jet 34 increases as the opening degree of the throttle valve 24 increases, so that a large amount of fuel is fed into the engine.

5. 发明专利

JPS5954758A Starting fuel feeder for carbretter 失效
标题翻译：起动燃料给料器
公开(公告)号：JPS5954758A
公开(公告)日：1984-03-29
申请号：JP16639182
申请日：1982-09-24
申请人： Shinagawa Diecast Kogyo Kk
发明人： ARAKI SATORU
IPC分类号： F02M1/16
CPC分类号： F02M1/16
摘要： PURPOSE:To facilitate starting control which prevents wasteful consumption of fuel, by a method wherein fuel for starting, fed by a manually-operated starting pump, is guided once in an injection device formed of a clear bag body, and is supplied to a suction passage as the fuel amount is observed from the outside. CONSTITUTION:A fuel pump 3 is mounted to one side of the body 2 of a carburetter A and a regulating part 4 to the other side thereof, and the fuel pump 3 is connected to a fuel tank 5 through a feed oil pipe 6. The fuel pump 3 reciprocates a film 12 by means of a pulsating pressure, produced in a crank case and guided through a connecting passage 14 to a pressure chamber 13 to discharge the fuel in a pump chamber 9. The discharged fuel is sucked out through a fuel valve 16 and the regulating part 4 from a main nozzle 25 into a suction passage 1. A manually-operated starting pump B, effecting discharge of fuel by forcibly pressing an elastic film 31 against the working of a shut-off mechanism 38, and an injection device C, having a clear and expansible bag body 40, are mounted in a starting fuel passage 28 which is branched from a fuel passage 15 and led to a starting nozzle 27.
摘要翻译：目的：为了便于启动控制，防止浪费的燃料消耗，通过手动起动泵进料的起动燃料在由清洁袋体形成的注射装置中被引导一次的方法，并被供给到抽吸从外部观察燃料量。构成：将燃料泵3安装在化油器A的主体2的一侧和调节部4的另一侧，燃料泵3通过供给油管6与燃料箱5连接。燃料泵3通过在曲轴箱中产生的脉动压力使膜12往复运动，并通过连接通道14被引导到压力室13，以将泵送室9中的燃料排出。排出的燃料通过燃料阀16和调节部分4从主喷嘴25进入吸入通道1.手动起动泵B通过强制地按压弹性膜31抵抗关闭机构38的作用而排出燃料，以及具有透明且可膨胀的袋体40的注射装置C安装在从燃料通道15分支并被引导到起始喷嘴27的起始燃料通道28中。

6. 发明专利

JPS5752659A Diaphragm type carburetor 失效
标题翻译：印刷机类型
公开(公告)号：JPS5752659A
公开(公告)日：1982-03-29
申请号：JP12876580
申请日：1980-09-17
申请人： Shinagawa Diecast Kogyo Kk
发明人： ARAKI SATORU
IPC分类号： F02M17/04
摘要： PURPOSE: To supply air fuel mixture of proper mixing ratio by connecting a negative pressure chamber which pressure controls a fuel pressure regulating chamber and a venturi part at the negative pressure passage to reduce the fuel supply in the fully opened high speed running region.
CONSTITUTION: A negative pressure chamber 7 which controls a fuel pressure regulating chamber 5 through a diaphragm 6 is connected to atmosphere via a vent port 9 which is formed with constriction, said negative pressure chamber also being connected to the narrowest part of a venturi 3 through a negative pressure passage 12 having a throttle valve 10 of a check valve construction and a construction 11. A valve body 15 is arranged to leave a valve seat 17 to introduce negative pressure into the negative pressure chamber 7 when the venturi negative pressure becomes larger than the load of a spring 16 thereby limitting the fuel flow rate increase. Thus the fuel supply is reduced to the flow rate required by an engine in the fully opened high speed running region during which period the venturi negative pressure is considerably high thereby supplying air fuel mixture of proper mixing ratio.
COPYRIGHT: (C)1982,JPO&Japio
摘要翻译：目的：通过连接压力控制燃料压力调节室的负压室和负压通道的文氏管部分来提供适当混合比的空气燃料混合物，以减少完全打开的高速运行区域中的燃料供应。构成：通过隔膜6控制燃料压力调节室5的负压室7经由形成有收缩部的通气口9与大气连接，所述负压室也与文丘里管3的最窄部分连接具有止回阀构造的节气门10的负压通道12和结构11.阀体15布置成当文丘里管负压变大时，离开阀座17以将负压引入负压室7中弹簧16的负载因此限制燃料流量增加。因此，在完全打开的高速运行区域中，燃料供应量减少到发动机所需的流量，在此期间文丘里管负压相当高，从而提供适当混合比的空气燃料混合物。

7. 发明专利

JPH05231192A INTAKE CONTROL VALVE DEVICE FOR ENGINE 失效
公开(公告)号：JPH05231192A
公开(公告)日：1993-09-07
申请号：JP6273291
申请日：1991-03-04
申请人： SHINAGAWA DIECAST KOGYO KK
发明人： ARAKI SATORU
IPC分类号： F02D9/02 , F02D9/10 , F02D11/02 , F02M17/40
摘要： PURPOSE:To carry out the necessary intake control without being accompanied with the operation disorder or a turn disabled state even if a trunk body deforms through the lapse of time or the assembly to an intake system, when an engine intake control valve is installed on the trunk body made of synthetic resin. CONSTITUTION:A valve plate 4 is installed in turnable manner on a valve shaft 3 by fixing the valve shaft 3 on a trunk body 1 made of synthetic resin, and a pulling member 6 which is connected with the valve plate 4 and turned in the valve opening direction and a return spring 7 for turning the valve plate 4 in the valve closing direction are installed, and the smooth opening/closing operation is secured without giving an influence to the turn of the valve plate 4, even if the trunk body 1 is deformed.

8. 发明专利

JPH0472063B2 失效
公开(公告)号：JPH0472063B2
公开(公告)日：1992-11-17
申请号：JP9366883
申请日：1983-05-27
申请人： SHINAGAWA DIECAST KOGYO KK
发明人： ARAKI SATORU
IPC分类号： F02M7/08 , F02M17/04

9. 发明专利

JPH0333462A DIAPHRAGM CARBURETTOR 失效
公开(公告)号：JPH0333462A
公开(公告)日：1991-02-13
申请号：JP16920489
申请日：1989-06-30
申请人： SHINAGAWA DIECAST KOGYO KK
发明人： ARAKI SATORU
IPC分类号： F02M3/09 , F02M17/04 , F02M19/04
摘要： PURPOSE:To prevent excessive rotation likely to be made by the operator and preclude disorder of an engine by fixing caps restricting the rotation within a certain extent to the heads of screw rods of two adjusting valves, wherein the screw rods are protruding to outside the body of a carburettor. CONSTITUTION:Caps 41, 44 are fixed to the heads of screw rods of two adjusting valves, wherein the screw rods are protruding to outside the body of a gasifier 1, and these adjusting valves are parallelly installed in proximity to each other. These caps 41, 44 are provided with bosses 42, 45 protruding to outside at one side. The effective area of a fuel passage is varied when the operator turns the caps 41, 44, and thus the rate of fuel flow is changed. The rotations of these caps 41, 44 are restricted by stoppers 43, 46 fitted projectingly on the body 1, and reverse rotation is limited by other caps 44, 41 located in proximity. Accordingly the rotations of the adjusting valves are made within a certain extent, which prevents excessive rotation and restrains the rate of fuel flow within a certain extent, so that no engine disorder should occur due to excessive flow.

10. 发明专利

JPS61223256A CARBURETOR 失效
公开(公告)号：JPS61223256A
公开(公告)日：1986-10-03
申请号：JP6257885
申请日：1985-03-27
申请人： SHINAGAWA DIECAST KOGYO KK
发明人： ARAKI SATORU
IPC分类号： F02B75/34 , F02M3/14 , F02M17/04
摘要： PURPOSE:To feed quite small quantity of idle fuel properly by making a measuring hole communicating with an idle port opened toward the outside circumference of a throttle valve under full-close position and opening to the engine side in the throttle valve. CONSTITUTION:Under idling where a throttle valve 8 is at closed position, the fuel in the slow port chamber 11 is sucked by the air flow passing through an air hole 14 penetrating through the throttle valve 8 and passes through an idle port 9, a groove 13, a measuring hole 15 and an air hole 14 to be delivered through the outlet section 14b to the engine side together with the air. Consequently, quite small quantity of idle fuel can be fed properly in miniature engine for general use. Upon start of opening of the throttle valve 8, the fuel is sucked directly from the idle port 9 and the slow port 10 to the intake path 2.

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